William Ayliffe (Gresh College)

William Ayliffe: Why We See What We Do

William Ayliffe (Gresh College)Via Gresham College/Fora.tv:

The visual system has developed to allow us to navigate in a complex and dangerous world in order to find food and to avoid danger.

This survival system works by building a complex three-dimensional model based on two-dimensional data from the retina.

This model is tested against “reality” and checked with information from other senses and updated if needed. The brain suppresses the complexity of this processing and we believe that vision is instantaneous, real and effortless.

But is seeing just an illusion?Watch Full Movie Online Streaming Online and Download?

This is a part of Professor William Ayliffe‘s 2010/2011 series of lectures as Gresham Professor of Physics. The other lectures in this series include:

Use the first link in this post to get a transcript or slideshow of the video below, or to download the video or an audio-only version instead.

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Length: ~55 minutes.

Also check out the BBC Horizon episode Is Seeing Believing? on YouTube.

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